1078615028666 has 32 divisors (see below), whose sum is σ = 1895062055040. Its totient is φ = 450772473600.

The previous prime is 1078615028651. The next prime is 1078615028717. The reversal of 1078615028666 is 6668205168701.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 749321 + ... + 1648851.

It is an arithmetic number, because the mean of its divisors is an integer number (59220689220).

Almost surely, 2^{1078615028666} is an apocalyptic number.

1078615028666 is a deficient number, since it is larger than the sum of its proper divisors (816447026374).

1078615028666 is a wasteful number, since it uses less digits than its factorization.

1078615028666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 901670.

The product of its (nonzero) digits is 5806080, while the sum is 56.

The spelling of 1078615028666 in words is "one trillion, seventy-eight billion, six hundred fifteen million, twenty-eight thousand, six hundred sixty-six".